Teaching dual language learners? You´re not alone! Leveraging the power of teacher collaboration is the key to leading all your students to multilingual identity development and language, literacy, and academic success. This practical book adapts a widely used, evidence-based collaboration and co-teaching framework specifically for educators in dual language contexts. Features include: Special consideration to social justice and promoting critical consciousness; Viable options for schools, districts, and state education agencies to effectively support and expand dual language education; Seven proven co-teaching models, newly applied to elementary and secondary dual language environments; Templates and tools for collaborative curriculum alignment and implementation of dual language instruction;